Epoxy‐based composite adhesives with improved lap shear strengths at high temperatures for steel‐steel bonded joints
High‐performance room temperature‐cure epoxy structural adhesives utilizing simplified formulation are developed. The developed structural adhesive consists of diglycidyl ether of bisphenol A (DGEBA) and novolac epoxy blend as a base resin, micrometer‐sized silica particles as a reinforcing filler,...
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| Veröffentlicht in: | Journal of applied polymer science 2020-11, Vol.137 (44), p.n/a |
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| container_issue | 44 |
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| container_title | Journal of applied polymer science |
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| creator | Chailee, Orawan Parnklang, Tewarak Mora, Phattarin Pothisiri, Thanyawat Jubsilp, Chanchira Rimdusit, Sarawut |
| description | High‐performance room temperature‐cure epoxy structural adhesives utilizing simplified formulation are developed. The developed structural adhesive consists of diglycidyl ether of bisphenol A (DGEBA) and novolac epoxy blend as a base resin, micrometer‐sized silica particles as a reinforcing filler, and triethylenetetramine as a curing agent. The developed ambient temperature‐cure epoxy structural adhesive with optimized formulation exhibits outstanding properties including high glass transition temperature of 95°C, high thermal stability with degradation temperature at 5% weight loss of 364°C, exceptionally high rubbery plateau modulus of 320 MPa, good flame‐retardant characteristics with limiting oxygen index of 40, and high single lap shear strength for single lap steel‐steel bonded joint of 548 MPa at the temperature of 80°C. The silica‐filled DGEBA/novolac epoxy composite adhesive is a potential candidate for applying as a structural adhesive for construction with long‐term durability. |
| doi_str_mv | 10.1002/app.49371 |
| format | Article |
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The developed structural adhesive consists of diglycidyl ether of bisphenol A (DGEBA) and novolac epoxy blend as a base resin, micrometer‐sized silica particles as a reinforcing filler, and triethylenetetramine as a curing agent. The developed ambient temperature‐cure epoxy structural adhesive with optimized formulation exhibits outstanding properties including high glass transition temperature of 95°C, high thermal stability with degradation temperature at 5% weight loss of 364°C, exceptionally high rubbery plateau modulus of 320 MPa, good flame‐retardant characteristics with limiting oxygen index of 40, and high single lap shear strength for single lap steel‐steel bonded joint of 548 MPa at the temperature of 80°C. The silica‐filled DGEBA/novolac epoxy composite adhesive is a potential candidate for applying as a structural adhesive for construction with long‐term durability.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.49371</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>Adhesive joints ; Adhesives ; Ambient temperature ; Bisphenol A ; Bonded joints ; Bonding strength ; Curing agents ; degradation ; glass transition ; Glass transition temperature ; Materials science ; mechanical properties ; Novolacs ; Polymers ; Room temperature ; Rubbery plateau modulus ; Shear strength ; Silicon dioxide ; Temperature ; thermal properties ; Thermal stability ; Weight loss</subject><ispartof>Journal of applied polymer science, 2020-11, Vol.137 (44), p.n/a</ispartof><rights>2020 Wiley Periodicals, Inc.</rights><rights>2020 Wiley Periodicals LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3341-7d9310882dcc996976d5f67e832c46b4f4f9e9fb4e8be00042e7c120ddd0d0573</citedby><cites>FETCH-LOGICAL-c3341-7d9310882dcc996976d5f67e832c46b4f4f9e9fb4e8be00042e7c120ddd0d0573</cites><orcidid>0000-0002-9531-2300</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.49371$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.49371$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Chailee, Orawan</creatorcontrib><creatorcontrib>Parnklang, Tewarak</creatorcontrib><creatorcontrib>Mora, Phattarin</creatorcontrib><creatorcontrib>Pothisiri, Thanyawat</creatorcontrib><creatorcontrib>Jubsilp, Chanchira</creatorcontrib><creatorcontrib>Rimdusit, Sarawut</creatorcontrib><title>Epoxy‐based composite adhesives with improved lap shear strengths at high temperatures for steel‐steel bonded joints</title><title>Journal of applied polymer science</title><description>High‐performance room temperature‐cure epoxy structural adhesives utilizing simplified formulation are developed. The developed structural adhesive consists of diglycidyl ether of bisphenol A (DGEBA) and novolac epoxy blend as a base resin, micrometer‐sized silica particles as a reinforcing filler, and triethylenetetramine as a curing agent. The developed ambient temperature‐cure epoxy structural adhesive with optimized formulation exhibits outstanding properties including high glass transition temperature of 95°C, high thermal stability with degradation temperature at 5% weight loss of 364°C, exceptionally high rubbery plateau modulus of 320 MPa, good flame‐retardant characteristics with limiting oxygen index of 40, and high single lap shear strength for single lap steel‐steel bonded joint of 548 MPa at the temperature of 80°C. The silica‐filled DGEBA/novolac epoxy composite adhesive is a potential candidate for applying as a structural adhesive for construction with long‐term durability.</description><subject>Adhesive joints</subject><subject>Adhesives</subject><subject>Ambient temperature</subject><subject>Bisphenol A</subject><subject>Bonded joints</subject><subject>Bonding strength</subject><subject>Curing agents</subject><subject>degradation</subject><subject>glass transition</subject><subject>Glass transition temperature</subject><subject>Materials science</subject><subject>mechanical properties</subject><subject>Novolacs</subject><subject>Polymers</subject><subject>Room temperature</subject><subject>Rubbery plateau modulus</subject><subject>Shear strength</subject><subject>Silicon dioxide</subject><subject>Temperature</subject><subject>thermal properties</subject><subject>Thermal stability</subject><subject>Weight loss</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kLtOwzAYhS0EEqUw8AaWmBjS2olz8VhV5SJVogPMlhP_aVIlcbDd28Yj8Iw8CW7DynSG853z_zoI3VMyoYSEU9n3E8ajlF6gESU8DVgSZpdo5D0aZJzH1-jG2g0hlMYkGaHDoteH48_Xdy4tKFzotte2doClqsDWO7B4X7sK121v9M4TjeyxrUAabJ2Bbu0qi6XDVb2usIO2ByPd1vhYqU8IQOPLz4pz3SnfsNF15-wtuiplY-HuT8fo42nxPn8Jlm_Pr_PZMiiiiNEgVTyiJMtCVRScJzxNVFwmKWRRWLAkZyUrOfAyZ5DlQAhhIaQFDYlSiigSp9EYPQy9_v_PLVgnNnprOn9ShCxiCcuijHnqcaAKo601UIre1K00R0GJOA0r_LDiPKxnpwO7rxs4_g-K2Wo1JH4BD-5-NA</recordid><startdate>20201120</startdate><enddate>20201120</enddate><creator>Chailee, Orawan</creator><creator>Parnklang, Tewarak</creator><creator>Mora, Phattarin</creator><creator>Pothisiri, Thanyawat</creator><creator>Jubsilp, Chanchira</creator><creator>Rimdusit, Sarawut</creator><general>John Wiley & Sons, Inc</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-9531-2300</orcidid></search><sort><creationdate>20201120</creationdate><title>Epoxy‐based composite adhesives with improved lap shear strengths at high temperatures for steel‐steel bonded joints</title><author>Chailee, Orawan ; Parnklang, Tewarak ; Mora, Phattarin ; Pothisiri, Thanyawat ; Jubsilp, Chanchira ; Rimdusit, Sarawut</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3341-7d9310882dcc996976d5f67e832c46b4f4f9e9fb4e8be00042e7c120ddd0d0573</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adhesive joints</topic><topic>Adhesives</topic><topic>Ambient temperature</topic><topic>Bisphenol A</topic><topic>Bonded joints</topic><topic>Bonding strength</topic><topic>Curing agents</topic><topic>degradation</topic><topic>glass transition</topic><topic>Glass transition temperature</topic><topic>Materials science</topic><topic>mechanical properties</topic><topic>Novolacs</topic><topic>Polymers</topic><topic>Room temperature</topic><topic>Rubbery plateau modulus</topic><topic>Shear strength</topic><topic>Silicon dioxide</topic><topic>Temperature</topic><topic>thermal properties</topic><topic>Thermal stability</topic><topic>Weight loss</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chailee, Orawan</creatorcontrib><creatorcontrib>Parnklang, Tewarak</creatorcontrib><creatorcontrib>Mora, Phattarin</creatorcontrib><creatorcontrib>Pothisiri, Thanyawat</creatorcontrib><creatorcontrib>Jubsilp, Chanchira</creatorcontrib><creatorcontrib>Rimdusit, Sarawut</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chailee, Orawan</au><au>Parnklang, Tewarak</au><au>Mora, Phattarin</au><au>Pothisiri, Thanyawat</au><au>Jubsilp, Chanchira</au><au>Rimdusit, Sarawut</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Epoxy‐based composite adhesives with improved lap shear strengths at high temperatures for steel‐steel bonded joints</atitle><jtitle>Journal of applied polymer science</jtitle><date>2020-11-20</date><risdate>2020</risdate><volume>137</volume><issue>44</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>High‐performance room temperature‐cure epoxy structural adhesives utilizing simplified formulation are developed. The developed structural adhesive consists of diglycidyl ether of bisphenol A (DGEBA) and novolac epoxy blend as a base resin, micrometer‐sized silica particles as a reinforcing filler, and triethylenetetramine as a curing agent. The developed ambient temperature‐cure epoxy structural adhesive with optimized formulation exhibits outstanding properties including high glass transition temperature of 95°C, high thermal stability with degradation temperature at 5% weight loss of 364°C, exceptionally high rubbery plateau modulus of 320 MPa, good flame‐retardant characteristics with limiting oxygen index of 40, and high single lap shear strength for single lap steel‐steel bonded joint of 548 MPa at the temperature of 80°C. The silica‐filled DGEBA/novolac epoxy composite adhesive is a potential candidate for applying as a structural adhesive for construction with long‐term durability.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/app.49371</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-9531-2300</orcidid></addata></record> |
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| ispartof | Journal of applied polymer science, 2020-11, Vol.137 (44), p.n/a |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Adhesive joints Adhesives Ambient temperature Bisphenol A Bonded joints Bonding strength Curing agents degradation glass transition Glass transition temperature Materials science mechanical properties Novolacs Polymers Room temperature Rubbery plateau modulus Shear strength Silicon dioxide Temperature thermal properties Thermal stability Weight loss |
| title | Epoxy‐based composite adhesives with improved lap shear strengths at high temperatures for steel‐steel bonded joints |
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